Research Area: Mechanical Engineering and Automation
The velocity ratio formula of universal joint is deduced. The kinematic parameters of the configuration are derived. The method of marking direction is put forward to calculate the transmission ratio of gear train. In this paper, a mosaic method is proposed to solve the vector equation of unknown variables. The motion law of the cam follower of quartic polynomial is put forward. The dynamic simulation of several mechanisms is carried out.
The vibration stability of machinery is defined, and the mathematical and mechanical basis of strength calculation is supplemented.
Mechanical optimization design
The blind walking method is put forward. Many optimization methods are proposed. The whole discipline system has been improved.
Mechanical Innovation Design
The definition of innovation based on subconscious theory is put forward. This paper puts forward a method of innovation by using the characteristics of memory. The method of mining innovative ideas is put forward. Six kinds of general innovation methods are integrated. A new theoretical system of discipline is put forward.
Fundamentals of Mechanical Control Engineering
Based on the vibration theory, the discipline theory system is integrated.
The core concepts of vourious of machining technology are cleared, such as the processing technology of the cutting with abnormal temperature is closely related to molecular motion, vibration cutting and ultrasonic cutting uses the resonance, the working principle of ultrasonic machining is similar to the explosion shock waves.
Some representative papers published by Professor Chunming Li are as follows:
|LI Chun-ming, YIN Xiao-li, YUN Ping-li, GUO Ying, CUI Yun-jing. Crank slider mechanism dynamics and its related problem of a machine[J]. Journal of Dezhou University, 2019, 35(6):40-46.|
|LI Chunming, LIU Qing, LI Wanteng. Fixed-point optimization method of fitting second-order partial derivative constant matrix[J]. Journal of Gansu Sciences, 2021,33(4):20190551.|
SUN Feng, LI Chunming(Corresponding author), CUI Yunjing, LI Wan-teng. Latest innovative method system for structure of machine part[J]. Machine Design and Manufacturing Engineering, 2021, 50(2):19-606. In publish.
|LIU Qing, YIN Xiaoli, LI Chunming(Corresponding author), LI Wan-teng. Making the difficulties of mechanical design easy based on mechanics and mathematics[J]. Machine Design and Manufacturing Engineering, 2021, 50(1):19-544. In publish.|
|YIN Xiaoli, LI Chunming(Corresponding author). On the programmed kinematics computation of crank rocker mechanism based on harmonic composition and decomposition[J]. Journal of Gansu Sciences, 2021,33(1): 20190326. In publish.|
|LI Chunming, YIN Xiaoli, LIU Qing. An assembly graphic method for kinematics vector equation of combination mechanism abandoning the bar group concept[J]. Journal of Gansu Sciences, 2020, 32(4):20190233. in publish.|
Chun-ming LI, Xiao-li YIN. Comparative study of unconstrained mechanical optimization methods based on two-variable Rosenbrock function[A]. Proceedings of the 2019 2nd International Conference on Informatics Control and Automation (ICA2019)[C], Hangzhou, China, 26-27 May, 2019. DEStech Transactions on Computer Science and Engineering. pp261-267.
|LI Chunming, LI Xu, HONG Xiaodan. Innovative methods of mechanical system design[J]. Manufacturing automation, 2017, 39(5):120-121.|
|LI Chunming, LI Xu, CHEN Zhicun, HONG Xiaodan. Tangent intersection method for objective function optimization[J]. Machine Design and Research, 2017, 33(2):17-19+24.|
|LI Chunming. Several innovations in the fundamental of mechanical control engineering[J]. Machinery design & manufacture, 2017, (4) :37-39.|
|LI Chunming, ZHANG Xiaohua, YIN Xiaoli. The program verification of the three-seeking and six-seeking method based on the conjugate direction[A]. 2017 5th International Conference on Machinery, Materials and Computing Technology(ICMMCT2017), Beijing, AER-Advances in Engineering Research, volume 126, pp109-114.|
|LI Chunming, ZHU Mingye, LI Wanteng. Second-order approximation point method based on the blind walking idea[J] , Journal of of China University of Petroleum (Edition of Natural Science), 2017, 41(1): 144-149.|
|LI Chunming. Negative gradient direction method for blind person exploring the way[J]. Journal of Gansu Sciences, 2016, 28(5):116-122.|
LI Chunqiu, LI Chunming. Study on the theoretical system of innovative method[J]. Learning weekly, 2016 (16)::40-43.
|LI Chunming. The new conception of the friction classification and the stressed pole failure[J]. Manufacturing automation, 2015, 37(12):85-86+ 91.|
|LI Chunming. Study on the vibration intervention control plan of safely drilling on offshore platform[J]. Mechanical Research & Application, 2015, 28(5): 192-194.|
|LI Chunming, Chen Jing, Zhangchunling. A 4-order polynomial movement law of the cam mechanism without shock[A]. Advanced materials research, vol. 250-253, part 4, pp4070-4073, May 2011.|
|LI Chunming, CHEN Jing. The method of deciding the most pair rod when exhausting the rod style classification and distribution plan[J]. Machine Design, 2011, 28(1):13-15.|
|Li Chunming. Blind-walking optimization method. Journal of Networks, 2010, 5(12):1458-1466.|